RE: [OM] [semi-OT] one advantage of digital cameras

[Daniel J. Mitchell]

> They did made shutters faster than that in the 40's. See
> http://simplethinking.com/home/rapatronic_photographs.htm
> 
> But you need an awful lot of light to get enough photons to 
> visit in 3 to 10 ns.

 Oh, right, Edgerton -- of course. I've got _Stopping Time_ at home; looks
like it's time to re-read it..

 -- dan

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